Robert Haas <robertmhaas@xxxxxxxxx> writes: > Hmm, good point. It seems like it would be useful to force the > planner into use the other plan and get EXPLAIN ANALYZE output for > that for comparison purposes, but off the top of my head I don't know > how to do that. The standard way is begin; drop index index_you_dont_want_used; explain problem-query; rollback; Ain't transactional DDL wonderful? (If this is a production system, you do have to worry about the DROP transiently locking the table; but if you put the above in a script rather than doing it by hand, it should be fast enough to not be a big problem.) regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
